ID   MATK_FAGTA              Reviewed;         507 AA.
AC   Q859W3;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 49.
DE   RecName: Full=Maturase K {ECO:0000255|HAMAP-Rule:MF_01390};
DE   AltName: Full=Intron maturase {ECO:0000255|HAMAP-Rule:MF_01390};
GN   Name=matK {ECO:0000255|HAMAP-Rule:MF_01390};
OS   Fagopyrum tataricum (Tartarian buckwheat) (Polygonum tataricum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   Caryophyllales; Polygonaceae; Polygonoideae; Fagopyreae; Fagopyrum.
OX   NCBI_TaxID=62330;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Isolate C9044, Isolate C9532, Isolate C9542, and Isolate CT9835;
RX   AGRICOLA=IND43672290;
RA   Yamane K., Yasui Y., Ohnishi O.;
RT   "Intraspecific cpDNA variations of diploid and tetraploid perennial
RT   buckwheat, Fagopyrum cymosum (Polygonaceae).";
RL   Am. J. Bot. 90:339-346(2003).
CC   -!- FUNCTION: Usually encoded in the trnK tRNA gene intron. Probably
CC       assists in splicing its own and other chloroplast group II introns.
CC       {ECO:0000255|HAMAP-Rule:MF_01390}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- SIMILARITY: Belongs to the intron maturase 2 family. MatK subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01390}.
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DR   EMBL; AB093085; BAC21005.1; -; Genomic_DNA.
DR   EMBL; AB093086; BAC21006.1; -; Genomic_DNA.
DR   EMBL; AB093084; BAC21004.1; -; Genomic_DNA.
DR   EMBL; AB093083; BAC21003.1; -; Genomic_DNA.
DR   RefSeq; YP_009142031.1; NC_027161.1.
DR   AlphaFoldDB; Q859W3; -.
DR   GeneID; 24418443; -.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0006397; P:mRNA processing; IEA:UniProtKB-KW.
DR   GO; GO:0008380; P:RNA splicing; IEA:UniProtKB-UniRule.
DR   GO; GO:0008033; P:tRNA processing; IEA:UniProtKB-KW.
DR   HAMAP; MF_01390; MatK; 1.
DR   InterPro; IPR024937; Domain_X.
DR   InterPro; IPR002866; Maturase_MatK.
DR   InterPro; IPR024942; Maturase_MatK_N.
DR   PANTHER; PTHR34811; PTHR34811; 1.
DR   Pfam; PF01348; Intron_maturas2; 1.
DR   Pfam; PF01824; MatK_N; 1.
PE   3: Inferred from homology;
KW   Chloroplast; mRNA processing; Plastid; RNA-binding; tRNA processing.
FT   CHAIN           1..507
FT                   /note="Maturase K"
FT                   /id="PRO_0000143384"
SQ   SEQUENCE   507 AA;  60019 MW;  FB662F7B67378FD7 CRC64;
     MEEFQGYLEL YRSWQDNFLY PLILQESIYA LVHNQDLGLN GSILLSKKKG YDTKYSLLVV
     KRLVIRMYQQ NFVILSLNDS NKNEFFVPNK NLYSQRISEG FAVLAEIPFS MRVMSSLKGK
     ERKQYQNLRS IHSIFPFLED KFSRLNHVLD ILIPHPVHTK ILVQTIRYCV KDISCLHLLQ
     LLLYEYCNNG ITLKGSVSNL SKNKNQRFLL FLYNSYVCEC ESIFVFLRNQ SSHLRSTSYG
     AFLARVYFYL KLEHFLKVFT KHFRVILQFF KDPFMHYVRY QGKWILASRG TFLLMTKLKY
     YFVNFWQCNF YLWLQTRRIY INKSLNQPID FIGFLLSVRL NPSVVRSQML ENSFLIYNGI
     KKFETLVPTM SLIGSLAKAK FCNVLGHPIS KPAWADLSDS DIIRRFGRMC RNLSHYYSGS
     SKKGGLYRIK YILRLSCART LARKHKSTVR AFMKRLGSEF FEEFFFKEEK VISLILSRDS
     SISRRLYRGP IWYFDIFCIH DLASHND